Reddish red by the sun during the day can be physical therapy, local application of drugs, serious need to take oral medication. 1. Physical therapy: you can use a clean towel for cold compresses, or will be hydrating and moisturizing mask chilled, and then the local cold compresses, which can alleviate the symptoms. You can also use boric acid solution wet compress, can also play a role. 2. Local application of drugs: treatment to the early local topical drugs, to anti-inflammatory, soothing, pain as the principle. Generally can be used externally glycerine lotion and (or) glucocorticoids (such as hydrocortisone), severe cases can be used 3% boric acid solution wet compresses. 3. Oral medication: those with systemic symptoms can take oral antihistamines (such as cetirizine, loratadine), vitamin C, non-steroidal anti-inflammatory drugs (such as diclofenac, ibuprofen), and in severe cases, glucocorticosteroids can be applied systematically (such as prednisone). Sunburned red red during the day if accompanied by obvious abnormal symptoms, to seek medical attention as soon as possible, under the guidance of the doctor to deal with, not indiscriminate use of drugs.